COSMOS 2251 DEB, 40228
Orbit data source: Space-Track
COSMOS 2251 DEB, 40228 is space debris in LEO originally from a launch on Wed, 16 Jun 1993 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). The debris from Iridium 33, an American commercial communications satellite, has been tracked extensively since its accidental collision with the defunct Russian satellite Cosmos 2251 in 2009. This event, occurring at high speed in low Earth orbit (LEO), generated thousands of pieces of space debris, significantly increasing the risk of further collisions. The Iridium 33 debris cloud has impacted space traffic management and orbital debris mitigation strategies, making it a subject of ongoing study in space situational awareness.
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40228 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 COSMOS 2251 DEB
1 40228U 93036BVH 26122.93414492 .00000736 00000-0 23512-3 0 9998
2 40228 74.0561 359.4499 0022638 28.1388 351.3411 14.41295728609551Epoch: 2026-05-02T22:25Z
TLE epoch observation values (Epoch: 2026-05-02T22:25:10.121Z)
Latitude
18.66693°
Longitude
167.82163°
Altitude
740.357 km
Speed
7.495 km/s
True Right ascension
00h 19m 50s
True Declination
18° 33' 46"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
19:51:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
767.978 km
Perigee altitude
735.696 km
Semi-major axis
7,129.974 km
Eccentricity
0.00226
Inclination
74.0561°
RAAN
359.4499°
Arg. of periapsis
28.1388°
True anomaly
351.30194°
Mean anomaly
351.3411°
Eccentric anomaly
351.32153°
Mean motion
3.60505 °/min
Orbital period
99.86 mins
BSTAR
0.00023512
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Other satellites on launch #36 in the year 1993 (1993-06-16 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 2251 DEB Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-05-03 16:46:31.731Z | 188.392° SSW | 2026-05-03 16:50:31.731Z | 118.813° SE | 43.481° | 2026-05-03 16:55:31.731Z | 23.355° NE |
| 4 mins | 2026-05-03 18:31:31.731Z | 286.04° WNW | 2026-05-03 18:32:31.731Z | 298.77° NW | 13.669° | 2026-05-03 18:35:31.731Z | 335.612° NNW |
| 4 mins | 2026-05-04 01:33:31.731Z | 35.86° NE | 2026-05-04 01:35:31.731Z | 61.711° ENE | 14.25° | 2026-05-04 01:37:31.731Z | 85.643° E |
| 9 mins | 2026-05-04 03:13:31.731Z | 334.771° NNW | 2026-05-04 03:17:31.731Z | 239.759° WSW | 43.379° | 2026-05-04 03:22:31.731Z | 170.693° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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